Preparation of an alkenylphosphonic acid derivative

Details Preparation of an alkenylphosphonic acid derivative Preparation of an alkenylphosphonic acid derivative

2008-07-15

2008-07-15

Shiao, Rei-tsang (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

C558S134000, C502S162000

Reexamination Certificate

active

10977436

ABSTRACT:
Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises(a) nickel,(b) a phosphine having at least two trivalent phosphorus atoms and in addition(c) a phosphine having one trivalent phosphorus atom.

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Han et al., 2003, CAS: 139:396059.
JACS Communications, Han et al., 2004, 126,5080-5081.

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